A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.
Dept. of the Navy 
Brazil 
Turkey Classification: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
NSN 5935-01-136-7460
NSN 5925-01-287-9206
NSN 2925-01-027-1293
NSN 5910-01-068-8019
NSN 6220-01-462-1479
NSN 2925-00-635-9731
NSN 5855-01-230-4665
NSN 6130-01-568-6775
NSN 6220-00-890-5909
NSN 5935-00-460-0793
NSN 6650-01-529-6416
NSN 4140-01-020-4224